code: def test_count_nonzero_zero_dim(self, dtype):
      def func(xp):
          a = xp.array(1.0, dtype=dtype)
          c = xp.count_nonzero(a)
          if xp is cupy:
              # CuPy returns zero-dimensional array instead of
              # returning a scalar value
              assert isinstance(c, xp.ndarray)
              assert c.dtype == "l"
              assert c.shape == ()
          return int(c)
  
      assert func(numpy) == func(cupy)
  
file_path: cupy/tests/cupy_tests/sorting_tests/test_count.py
imports: import unittest
  import numpy
  import cupy
  from cupy import testing
label_desc: Use image node_id 2 for calling the TestCount obj's underlying member method code with example usage: obj.test_count_nonzero_zero_dim(dtype) and returns: int